Haier 3150 SA Sanitary Pump, 3A Pump, diaphragm plate side high strength thread lock, shaft side

Page 22

Sanitary Pump

Service

.

121445 446* 447 143 444

Y

Sanitary Pump

TI8772a

121 445 446*

3A Pump

TI8773a

FIG. 17

Reassembly

1.Install the shaft u-cups (110) so the lips face out of the housing (101). Lubricate the u-cups. See reas- sembly of bearing and air gasket removal, page 24.

2.Non 3A approved diaphragms: Assemble dia- phragm (446), backer (447) if present, and plate (445) onto plate (444) with screw (143). Rounded side of plate (445) should face diaphragm. Make sure the side marked AIR SIDE faces the center housing.

3A approved diaphragms: Assemble plate (445) onto diaphragm assembly (446). Round side of plate should face diaphragm.

Thread locker must be applied to screw (143) and to threads of 3A diaphragm assembly as shown in FIG. 19 for all diaphragm assemblies.

diaphragm plate side: high strength thread lock

101

121

445 446*

447 143

444

7.Pull the other diaphragm assembly and the dia- phragm shaft (121) out of the center housing (101). Hold the shaft flats with a 19 mm open end wrench, and remove the diaphragm assembly from the shaft. Disassemble the remaining diaphragm assembly.

101 121

TI4789a

FIG. 18

8.Inspect the diaphragm shaft (121) for wear or scratches. If it is damaged, inspect the bearings

(117)in place. If the bearings are damaged, refer to Bearing and Air Gasket Removal on page 23.

9.Reach into the center housing (101) with an o-ring pick and hook the u-cups (110), then pull them out of the housing. This can be done with the bearings

(117)in place. See FIG. 22.

10.Clean all parts and inspect for wear or damage. Replace parts as needed.

Sanitary Pump

shaft side:

medium strength thread lock

TI8774a

101

121

445

446*

3A Pump

medium strength thread lock (bolt not shown)

TI8775a

FIG. 19

3.Screw assembled diaphragm assembly into shaft (121) and hand tighten.

22

310622L

Image 22

Contents High Sanitation Pumps Model SA3AAA ShownInstructions/Parts List 310622LDimensional Drawing ContentsContents Technical DataFIRE AND EXPLOSION HAZARD WarningsWarnings PRESSURIZED EQUIPMENT HAZARDBURN HAZARD PERSONAL PROTECTIVE EQUIPMENTGeneral Information InstallationInstallation Leak Detection SystemAir Line Ground Wire ConnectionMountings Fluid Suction LineFIG. 3 Typical Floor-Mount Installation Typical InstallationFluid Outlet Line Air Exhaust Ventilation Changing the Orientation of the Fluid Inlet and Outlet PortsFIG. 4 Orientation of Fluid Ports A Air supply line B Bleed-type master air valve required for pump FIG. 5 Venting Exhaust AirE Master air valve for accessories F Air line filter P Muffler C Air regulator D Air line quick disconnectOperation Pressure Relief ProcedureStarting and Adjusting the Pump Sanitizing the Pump Before First UseMaintenance MaintenanceRoutine Cleaning of Product Contact Section of Pump LubricationOperator Preventive Maintenance ScheduleMaintenance Person TaskMaintenance PROBLEM TroubleshootingTroubleshooting Follow Pressure Relief ProceLoose sanitary clamp erly/cleanly due to imbalanceLeak in inlet or outlet sanitary fit Tighten clampService ServiceRepairing the Air Valve DisassemblyReassembly 8. Install the valve carriage 105 so its tabs slip into the grooves on the narrow end of the actuator pis- tons 111. See FIG 3A Ball Check Assembly Check Valve RepairFlapper Check Assembly Service For Sanitary Ball Check pumps remove ball gasketSanitary Ball Check Assembly TI8769aDiaphragm Repair Tools Requireddiaphragm plate side high strength thread lock Sanitary Pump3A Pump shaft sideBearing and Air Gasket Removal Reassembly 1590 Stainless Steel Sanitary Pumps Pump Matrix3150 Stainless Steel Sanitary Pumps Pump MatrixSanitary Diaphragm Assembly Sanitary Ball Check Valve AssemblyFlapper Check Valve Assembly Parts DrawingInlet and Outlet Parts List Parts ListPump Configuration Parts List Parts ListPart Diaphragm Material Parts ListIndicates replacement parts † Indicates a recommended spare part 3150Check Ball Material Parts List Indicates replacement parts † Indicates a recommended spare partApply a medium strength thread locker to center housing boreApply medium strength adhesive to outside screw threads and torque to 130-150 in-lbsAir Section Parts Leak Detector and Pump Stand Parts ListFluid Section Parts 3150 Conversion Kits AccessoriesAccessories 15D990 Leak DetectorModel Dimensional DrawingModel TI8778aSantoprene is a registered trademark of the Monsanto Co Technical DataLoctite is a registered trademark of the Loctite Corporation Test Conditions Pump tested in water with inlet submerged Performance Chart1590 3A Performance Chart To find Fluid Outlet PressureSanitary Ball Check Valve Pumps 3A Ball Check Valve PumpsFlapper Check Valve Pumps Model 3150 3A Performance Chart Model Graco Warranties Graco Standard Pump WarrantyExtended Product Warranty Graco Information